11DH7
0 Tubes in archive
BrandPhilips
ClassCathode Ray Tube
Filament6.3V @ 87.1mA
Construction
Primary TypeOscilloscope Tube
EnvelopeGlass
SectionsSingle gun
Filament / Heater
Heater NotesLow power 0.5W cathode
Absolute Maximum Ratings
Plate Voltage1200 V
Plate Dissipation0.5 W
Grid 2 Voltage1200 V
Grid 1 Voltage-70 V
H-C Voltage20 V
Audio Performance
Key Features
- 0.5W low power cathode
- Specially for transistor applications
- Adapted Grid 1
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Standard focus | 1200V | - | - | - | 0.0214mA |
Application Notes
The tube is a variant of type DH 7-78, designed for transistorized oscilloscope circuits.
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